Air & Oil Filter Tune Up Kit for Husqvarna YTH22V46 YTH18542 YTH24V48 YTA18542 YTA22V46 YTA24V48 YTH2348 YTH24V54 Z246 Z254 Lawn Mower, 17.5hp 19.5hp 20hp 21hp Engine.

What It Is

This is a pre-assembled maintenance kit containing an air filter, oil filter, and spark plug for select Husqvarna lawn tractors and zero-turn mowers. Designed for routine engine servicing (every 50-100 hours), it replaces worn filters and plugs to maintain engine performance and longevity.

Fitment & Compatibility

Check before buying:

• Model list: YTH22V46, YTH18542, YTH24V48, YTA18542, YTA22V46, YTA24V48, YTH2348, YTH24V54, Z246, Z254.
• Engine specs: Works with 17.5hp, 19.5hp, 20hp, and 21hp engines (typically Briggs & Stratton or Kawasaki).
• Deck size: Fits 42”, 46”, 48”, and 54” decks.
• OEM cross-reference: Replaces Husqvarna parts 532185138 (air filter), 532185139 (oil filter), and 532185140 (spark plug). Aftermarket, not OEM.
• Measurements: Air filter ~5.5” x 3.5”, oil filter ~2.5” tall with 3/4-16 thread. Spark plug is standard 14mm thread, 0.030” gap.
• Gotcha: Verify your engine’s oil filter thread pitch and spark plug gap before install—some older models may vary.

Key Things to Know

• Quality: Decent aftermarket parts; air filter is paper, oil filter is canister-style. Not premium, but adequate for standard use.
• Installation difficulty: Easy—swap air filter (no tools), replace oil filter (hand-tighten + 1/2 turn), and change spark plug (socket wrench).
• Common gotchas:
  • The spark plug gap is pre-set but always double-check with a gap tool.
  • Oil filter may be slightly smaller than OEM—ensure it seals tightly to avoid leaks.
  • Kit does not include oil; buy SAE 30 or 10W-30 separately.
• Best for: Routine annual maintenance or after 50-100 hours of use.

Should You Buy It

Buy it if you own one of the listed Husqvarna models and want a convenient, affordable one-box solution for a basic tune-up. It’s a solid value for DIYers who don’t need OEM parts, but skip it if you prefer brand-name filters (e.g., Briggs & Stratton) or need a premium spark plug (e.g., NGK).